12Pcs Titanium Plated Screw Extractor & HSS Cobalt Drill Bit Set, Chrome Vanadium Steel, Easy Out Damaged Bolt Set for Metal Drilling, Removing Stripped, Seized or Broken Screws Bolts

【High Hardness & Durability】Made from premium chrome-vanadium steel with titanium coating, resistant to moisture, oil and chemicals. Ideal for humid conditions. Outperforms HSS 4341 with superior hardness, wear resistance and toughness. Reverse spiral and deep groove design ensures 95% success rate. Reusable over 100 times. 【5 Sizes Complete Set】7-piece titanium coated screw extractor set covers M3 to M18. Perfect for removing stripped screws in appliance repair, automotive maintenance and industrial applications. Features HRC 80+ hardness and 50% higher torsional strength than standard tools. 【5% Cobalt Drill Bits】HSS drill bits with 5% cobalt content enhance red hardness and heat resistance. Includes 5 popular sizes. Easily drills through stainless steel, alloy steel, cast iron and titanium alloys. 【Multi-Scenario Application】Ideal for both professional and DIY use. Effectively removes corroded bolts in automotive repair, rusted screws in appliances, and weathered fasteners on outdoor equipment. 【Easy Extraction】Effortlessly removes screws and bolts damaged by corrosion, breakage, rust or paint. Suitable for various maintenance scenarios.  【Usage Guide】1. Drill pilot hole using cobalt drill bit 2. Tap extractor into screw head 3. Use wrench or power tool to turn counterclockwise 4. Keep tool perpendicular to screw 5. Clean after use and apply anti-rust oil for storage. 【Quality Service】Each screw extractor set comes with a sturdy plastic storage case for easy portability and organisation. We also provide a 3-month quality guarantee. Should you encounter any issues with the product, please contact us for a replacement—we will resolve your problem promptly. 【Contact information】Your Account→Your Orders→Sold by：mizhiaheng→Ask a question. If you have any questions, please feel free to contact us., Manufacturer: YURINWOO